July 2002
Intermediate to advanced
432 pages
18h 48m
English
book
Level of Detail for 3D Graphics
by David Luebke, Martin Reddy, Jonathan D. Cohen, Amitabh Varshney, Benjamin Watson, Robert Huebner
Content preview from Level of Detail for 3D Graphics
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168 Chapter 6
Gaming Optimizations
nonoptimized and performance will drop, rather than increase, as we make further
removals.
A similar problem occurs on systems such as Playstation 2, which require render-
ing instruction packets that contain both vertex and index data. For a given discrete
LOD we can pregenerate these packets and efficiently spool them to the hardware
via a dedicated DMA co-processor. But as a continuous LOD scheme removes ver-
tices and changes indices, we must regenerate packets or shift to a "pack on the fly"
strategy. Either method will cost precious processing time on the ...
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